M Green (Queen Mary College, London, UK);R Iengo (ICTP, Italy);S Randjbar-Daemi (ICTP, Italy);E Sezgin (Texas A&M University, USA);H Verlinde (Princeton)
M Green (Queen Mary College, London, UK);R Iengo (ICTP, Italy);S Randjbar-Daemi (ICTP, Italy);E Sezgin (Texas A&M University, USA);H Verlinde (Princeton)